X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 5 M AMMONIUM ACETATE, 2MM DTT, 5MM E-64, 50 MM MES/TRIS BUFFER PH 6.0 5MM E-64

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.14 α = 90
b = 61.14 β = 90
c = 195.06 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 283
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1994-02
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.72 46.6 82.3 0.062 -- -- 2.0 -- 19765 -- 0.0 16.85
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.72 1.8 63.0 0.07 -- 10.0 1.5 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MIR 1.75 50.0 -- 0.0 -- 18172 981 82.5 -- 0.183 0.2 0.239 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.66
RMS Deviations
Key Refinement Restraint Deviation
p_singtor_nbd 0.179
p_plane_restr 0.024
p_transverse_tor 34.4
p_scangle_it 3.9
p_angle_d 0.033
p_planar_tor 4.5
p_special_tor 0.0
p_multtor_nbd 0.255
p_xyhbond_nbd 0.118
p_mcangle_it 2.7
p_scbond_it 2.6
p_chiral_restr 0.18
p_mcbond_it 1.9
p_staggered_tor 15.6
p_planar_d 0.041
p_bond_d 0.021
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1387
Nucleic Acid Atoms 0
Heterogen Atoms 29
Solvent Atoms 121

Software

Software
Software Name Purpose
CCP4 model building
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing